! model		layout[4]	=	symbols
  *		ar		=	+ara%(v[4]):4
  *		ben		=	+in(ben):4
  *		bs		=	+ba%(v[4]):4
  *		cs		=	+rs%(v[4]):4
  *		cz_qwerty		=	+cz(qwerty):4
  *		dev		=	+in(deva):4
  *		dvorak		=	+us(dvorak):4
  *		dzdwi		=	+bt%(v[4]):4
  *		el		=	+gr%(v[4]):4
  *		en_US		=	+latin%(v[4]):4
  *		guj		=	+in(guj):4
  *		gur		=	+in(guru):4
  *		iu		=	+ca(ike):4
  *		lo		=	+la%(v[4]):4
  *		kan		=	+in(kan):4
  *		mi		=	+mao%(v[4]):4
  *		ogham		=	+ie(ogam):4
  *		ori		=	+ie(ori):4
  *		sapmi		=	+no(smi):4
  *		sr		=	+srp%(v[4]):4
  *		syr		=	+sy(syc):4
  *		tel		=	+in(tel):4
  *		tml		=	+in(tam):4
  *		yu		=	+srp%(v[4]):4
  *		fr-latin9		=	+fr(latin9):4
  *		us_intl		=	+us(alt-intl):4
  *		ben(basic)		=	+in(ben):4
  *		ben(probhat)		=	+in(ben_probhat):4
  *		dev(basic)		=	+in(deva):4
  *		dvorak($dvoraklayouts)		=	+%v(dvorak):4
  *		dvorak(basic)		=	+us(dvorak):4
  *		dvorak(pl_basic)		=	+pl(dvorak):4
  *		dvorak(pl)		=	+pl(dvorak_quotes):4
  *		dvorak(pl_altquotes)		=	+pl(dvorak_altquotes):4
  *		dzdwi(basic)		=	+bt(basic):4
  *		fi(basic)		=	+fi(classic):4
  *		ge(azerty_tskapo)		=	+fr(geo):4
  *		guj(basic)		=	+in(guj):4
  *		gur(basic)		=	+in(guru):4
  *		ie(laptop)		=	+ie(basic):4
  *		ie(CloGaelachLaptop)		=	+ie(CloGaelach):4
  *		in(urd)		=	+in(urd-phonetic):4
  *		iu(basic)		=	+ca(ike):4
  *		lo(basic)		=	+la(basic):4
  *		kan(basic)		=	+in(kan):4
  *		mal(basic)		=	+in(mal):4
  *		mal(mlplusnum)		=	+in(mal):4
  *		ogham(basic)		=	+ie(ogam):4
  *		ogham(laptop)		=	+ie(ogam):4
  *		ogham(is434)		=	+ie(ogam_is434):4
  *		ogham(is434laptop)		=	+ie(ogam_is434):4
  *		ori(basic)		=	+in(ori):4
  *		ro(de)		=	+ro(winkeys):4
  *		ro(us)		=	+ro(std):4
  *		ro(academic)		=	+ro(std):4
  *		ro(std_comma)		=	+ro(std):4
  *		ro(comma)		=	+ro(basic):4
  *		ru(os)		=	+ru(os_legacy):4
  *		pk(urd)		=	+pk(urd-phonetic):4
  *		sapmi(basic)		=	+no(smi):4
  *		sapmi(nodeadkeys)		=	+no(smi_nodeadkeys):4
  *		sapmi(sefi)		=	+fi(smi):4
  *		sin(phonetic-static)		=	+in(sin_phonetic):4
  *		syr(basic)		=	+sy(syc):4
  *		syr(phonetic)		=	+sy(syc_phonetic):4
  *		tam(INSCRIPT)		=	+in(tam):4
  *		tam(UNI)		=	+in(tam_unicode):4
  *		tam(NUMERAL-KEYBOARD)		=	+in(tam_keyboard_with_numerals):4
  *		tam(TAB)		=	+in(tam_TAB):4
  *		tam(TSCII)		=	+in(tam_TSCII):4
  *		tel(basic)		=	+in(tel):4
  *		yu(basic)		=	+srp(latin):4
  *		yu(unicode)		=	+srp(latinunicode):4
  *		yu(yz)		=	+srp(latinyz):4
  *		yu(unicodeyz)		=	+srp(latinunicodeyz):4